Grindr and Blendr serve the same basic premise — find somebody nearby to date, flirt with and possibly hook up with — with Grindr being aimed at the Gay and Bisexual community and Blendr for the Straight community.

Already in a relationship and after some action on the side? That’s pretty much the mission statement of Ashley Madison, a dating site for married people. The app once again interfaces with the web service, allowing you to send winks to other married folks and check out their profiles.

Skout’s mission is a little less flirty and a little more friendly, if that’s your thing; it claims a global userbase, so it’d be feasible to be friends with people in Adelaide or Vladivostok simultaneously. Where you go to from there is up to you.